.btn
    background-color transparent
    border .5px solid var(--borderColor)
    color #abb2bf
    transition-property color
    box-shadow none

.btn.hover
.btn:hover
[open]>.btn
    background-color transparent
    color #D9D9D9

.BtnGroup-item:last-child
.BtnGroup-item:hover
    border-left: none
    border-right-width: .5px
